CVE-2023-52892
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In phpseclib before 1.0.22, 2.x before 2.0.46, and 3.x before 3.0.33, some characters in Subject Alternative Name fields in TLS certificates are incorrectly allowed to have a special meaning in regular expressions (such as a + wildcard), leading to name confusion in X.509 certificate host verification.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2023-52892
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.0.42-1+deb12u3 |
| debian | forky | fixed | 2.0.46-1 |
| debian | sid | fixed | 2.0.46-1 |
| debian | trixie | fixed | 2.0.46-1 |
| debian | bullseye | fixed | 1.0.19-3+deb11u3 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | phpseclib/phpseclib | <1.0.22 | 1.0.22 |
| Packagist | phpseclib/phpseclib | >=2.0.0,<2.0.46 | 2.0.46 |
| Packagist | phpseclib/phpseclib | >=3.0.0,<3.0.33 | 3.0.33 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-52892
- https://github.com/phpseclib/phpseclib/issues/1943
- https://github.com/phpseclib/phpseclib/commit/6cd6e8ceab9f2b55c8cd81d2192bf98cbeaf4627
- https://github.com/phpseclib/phpseclib
- https://github.com/phpseclib/phpseclib/releases/tag/3.0.33
- https://github.com/x509-name-testing/name_testing_artifacts
- https://security-tracker.debian.org/tracker/CVE-2023-52892
Verify integrity in audit chain (admin only). AS-IS.